熔盐法合成纳米层状Sc2SnC MAX相

李友兵, 秦彦卿, 陈科, 陈露, 张霄, 丁浩明, 李勉, 张一鸣, 都时禹, 柴之芳, 黄庆

Molten Salt Synthesis of Nanolaminated Sc2SnC MAX Phase

LI Youbing, QIN Yanqing, CHEN Ke, CHEN Lu, ZHANG Xiao, DING Haoming, LI Mian, ZHANG Yiming, DU Shiyu, CHAI Zhifang, HUANG Qing

Table 2 Theoretically predicted Lattice parameters (nm), calculated elastic constants, Cij (GPa), bulk modulus, B (GPa), shear modulus, G (GPa), and Young’s modulus, E (GPa), Pugh ratio, G/B, and Poisson ratio, v, of different compounds

Compound a/nm c/nm C11 C12 C13 C33 C44 C66 B G E G/B v Ref. Sc2SnC 0.3368 1.4653 197 63 47 182 67 53 100 63 157 0.630 0.238 This work V2SnC 0.3134 1.2943 336 126 122 304 85 105 190 95 244 0.500 0.286 [35] Ti2SnC 0.3136 1.3641 337 86 102 329 169 126 176 138 328 0.784 0.188 [39] Zr2SnC 0.3352 1.4681 269 80 107 290 148 94 157 110 368 0.700 0.215 [39] Hf2SnC 0.3308 1.4450 330 54 126 292 167 138 173 132 316 0.763 0.195 [39] Nb2SnC 0.3244 1.3754 341 106 169 321 183 118 209 126 314 0.603 0.250 [39]